Sn42Bi57Ag1 Flux-Cored Lead-Free Solder Wire
Sn42Bi57Ag1 Flux-Cored
Lead-Free Solder Wire
Sn42Bi57Ag1 flux-cored lead-free solder wire is a low-temperature tin-bismuth-silver solder wire with built-in flux for convenient operation. With a melting point of approximately 138°C and available diameter from 0.6mm, it is suitable for electronic repair, SMT rework, low-temperature assembly, and applications where reduced thermal stress is required.
A low-temperature SnBiAg flux-cored solder wire for repair and assembly.
Sn42Bi57Ag1 flux-cored solder wire provides low-temperature soldering performance with convenient flux action. The silver-containing alloy helps improve solder joint behavior, while the built-in flux core supports easier soldering operation. It is suitable for repair, rework, and temperature-sensitive electronics assembly.
Low-Temperature Operation
Melts at approximately 138°C, helping protect sensitive components.
Built-In Flux
Flux-cored design improves soldering convenience and process efficiency.
Silver-Containing Alloy
Silver addition supports improved solder joint performance.
Repair Friendly
Suitable for rework, maintenance, and low-temperature manual soldering.
Sn42Bi57Ag1 Flux-Cored solder wire specifications.
Core product parameters for quick evaluation and RFQ communication.
| Item | Specification | Description |
|---|---|---|
| Product Name | Sn42Bi57Ag1 Flux-Cored Lead-Free Solder Wire | Low-temperature SnBiAg flux-cored solder wire |
| Alloy Composition | Sn42 / Bi57 / Ag1 | Tin-bismuth-silver lead-free alloy |
| Melting Point | 138°C | Low-temperature solder alloy |
| Minimum Diameter | ≥0.6mm | Suitable for flux-cored solder wire production |
| Wire Type | Flux Cored | Built-in flux for easier operation |
| Flux Type | Rosin Core / No-Clean Optional | Flux type can be customized |
| Surface | Bright and smooth | Supports stable feeding and soldering |
| Packaging | Tube / Spool / Carton | 10g per tube; 100g–2000g per roll; carton packaging available |
Designed for low-temperature repair and rework.
Sn42Bi57Ag1 flux-cored solder wire is suitable for applications where lower soldering temperature and convenient operation are important.
SMT Rework
Suitable for replacing and repairing compact electronic components.
PCB Repair
Used for circuit board maintenance and low-temperature repair.
Sensitive Components
Helps reduce the risk of thermal damage.
Manual Soldering
Convenient for repair stations and small-batch production.
Flexible packaging for sampling and production.
Packaging can be selected according to wire diameter, order quantity, and shipping requirements.
Tube Packaging
10g per tube, suitable for samples, maintenance, and small-quantity use.
Spool Packaging
100g / 200g / 250g / 500g / 1000g / 2000g per roll available.
Carton Packaging
10 rolls per box; carton size can be arranged according to export shipment needs.
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